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<window title="Mozilla Bug 812415"
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  <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=812415"
     target="_blank">Mozilla Bug 812415</a>
  </body>

  <!-- test code goes here -->
  <script type="application/javascript">
  <![CDATA[
  /** Test for Bug 812415 and Bug 823348 **/

  const Cu = Components.utils;
  SimpleTest.waitForExplicitFinish();

  function testWaiving(iwin, sb) {
    sb.win = iwin;
    is(Cu.evalInSandbox('win', sb), iwin, "Basic identity works");
    is(Cu.evalInSandbox('win.wrappedJSObject.expando', sb), 42, "Waivers work via .wrappedJSObject");
    is(Cu.evalInSandbox('XPCNativeWrapper.unwrap(win).expando', sb), 42, "Waivers work via XPCNativeWrapper.unwrap");
    is(Cu.evalInSandbox('win.wrappedJSObject.document.defaultView.expando', sb), 42, "Waivers are deep");
  }

  function checkThrows(expression, sb, msg) {
    var result = Cu.evalInSandbox('(function() { try { ' + expression + '; return "allowed"; } catch (e) { return e.toString(); }})();', sb);
    ok(!!/denied/.exec(result), msg);
  }

  function testAsymmetric(regular, expanded) {

    // Set up objects.
    expanded.regFun = Cu.evalInSandbox('function reg() { return 42; }; reg', regular);
    expanded.regObj = Cu.evalInSandbox('new Object({foo: 2})', regular);
    regular.expFun = Cu.evalInSandbox('function exp() { return 41; }; exp', expanded);
    regular.expObj = Cu.evalInSandbox('new Object({bar: 3})', expanded);

    // Check objects.
    is(Cu.evalInSandbox('regObj.foo', expanded), 2, "Expanded can see regular object prop");
    checkThrows('expObj.bar', regular, "Regular shouldn't read properties");
    Cu.evalInSandbox('regObj.foo = 20', expanded);
    is(expanded.regObj.foo, 20, "Expanded can set properties");
    checkThrows('expFun.bar = 0', regular, "Regular shouldn't write properties");

    // Check functions.
    is(Cu.evalInSandbox('regFun()', expanded), 42, "Expanded can call regular function");
    checkThrows('expFun()', regular, "Regular cannot call expanded function");
    is(Cu.evalInSandbox('regFun.name', expanded), 'reg', "Expanded can see regular function's name");
    checkThrows('expFun.name', regular, "Regular can't see expanded function's name");
    Cu.evalInSandbox('regFun.expando = 30', expanded);
    is(Cu.evalInSandbox('regFun.expando', expanded), 30, "Expanded can set expandos");
    checkThrows('expFun.expando = 29', regular, "Regular can't set expandos");

    // Check __proto__ stuff.
    is(Cu.evalInSandbox('regFun.__proto__', expanded), regular.Function.prototype, "expanded can get __proto__");
    checkThrows('expFun.__proto__', regular, "regular can't use __proto__");
    checkThrows('expFun.__proto__ = {}', regular, "regular can't mutate __proto__");
  }

  function go() {
    var iwin = document.getElementById('ifr').contentWindow;
    iwin.wrappedJSObject.expando = 42;

    // Make our sandboxes. We pass wantXrays=false for the nsEP to ensure that
    // the Xrays we get are the result of being an nsEP, not from the wantXrays
    // flag.
    var regular = new Components.utils.Sandbox(iwin);
    var expanded = new Components.utils.Sandbox([iwin], {wantXrays: false});

    // Because of the crazy secret life of wantXrays, passing wantXrays=false
    // has the side effect of waiving Xrays on the returned sandbox. Undo that.
    expanded = XPCNativeWrapper(expanded);

    testWaiving(iwin, regular);
    testWaiving(iwin, expanded);
    testAsymmetric(regular, expanded);
    SimpleTest.finish();
  }

  ]]>
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